<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <h1>未登录</h1>
  <form action="/login" method="post">
    <h2>登陆页面</h2>
    <div class="senz">
      <input type="text" name="username" placeholder="输入用户名">
    </div>
    <div class="senz">
      <input type="password" name="password" placeholder="输入密码">
    </div>
    <input type="submit" value="登录" />
  </form>
</body>

</html>